Step-by-step explanation:
1. x² + 5x - 4 = 0
A = 1 B= 5 C = - 4
2. - 4x² - 8x + 3 = 0
A = - 4 B= -8 C = 3
3. - 4x² + 10x - 1 = 0
A = - 4 B = 10 C = - 1
4. - 3x² + 8x + 15 = 0
A = - 3 B = 8 C = 15
5. 3x² - 42x - 12 = 0
A = 3 B = - 42 C = - 12 :)
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Step-by-step explanation:
1. x² + 5x - 4 = 0
A = 1 B= 5 C = - 4
2. - 4x² - 8x + 3 = 0
A = - 4 B= -8 C = 3
3. - 4x² + 10x - 1 = 0
A = - 4 B = 10 C = - 1
4. - 3x² + 8x + 15 = 0
A = - 3 B = 8 C = 15
5. 3x² - 42x - 12 = 0
A = 3 B = - 42 C = - 12 :)